PHL - IDA
$225 Find Cheap Flights from Philadelphia to Idaho Falls - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Idaho Falls departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Everything you should know
Cheapest round-trip
$379
Typical prices: $474-$679
American Airlines
Sun 1/21Thu 1/25
PHL - IDA • 1 stop
Cheapest one-way
$198
Typical prices: $275-$428
Delta
Fri 11/9
PHL - IDA • 1 stop
Cheap Flights from Philadelphia to Idaho Falls (PHL-IDA)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Idaho Falls that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Cheap flights from Philadelphia to Idaho Falls with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.
Thu, Jan 21 - Mon, Jan 25
5:26 pm - 11:40 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 14m1 stop Phoenix Sky Harbor Intl
6:18 am - 4:12 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 54m1 stop Phoenix Sky Harbor Intl
$379American Airlines
Thu, Feb 4 - Mon, Feb 8
12:34 pm - 9:49 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 15m1 stop Dallas/Fort Worth
6:18 am - 4:12 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
7h 54m1 stop Phoenix Sky Harbor Intl
$387American Airlines
Wed, Dec 2 - Mon, Dec 7
10:45 am - 5:05 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 20m1 stop Phoenix Sky Harbor Intl
5:35 pm - 5:06 amIDA Idaho Falls Fanning Field-PHL Philadelphia
9h 31m1 stop Phoenix Sky Harbor Intl
$440American Airlines
Sat, Oct 24 - Wed, Oct 28
7:02 am - 3:20 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
10h 18m1 stop Seattle/Tacoma Intl
1:58 pm - 5:41 amIDA Idaho Falls Fanning Field-PHL Philadelphia
13h 43m1 stop Seattle/Tacoma Intl
$449Alaska Airlines
Tue, Oct 20 - Sat, Oct 24
1:24 pm - 8:54 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
9h 30m2 stops Chicago O'Hare Intl Denver Intl
2:28 pm - 11:20 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
6h 52m1 stop Denver Intl
$454United Airlines
Thu, Jan 21 - Mon, Jan 25
7:00 am - 12:27 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
7h 27m1 stop Salt Lake City
6:45 pm - 9:27 amIDA Idaho Falls Fanning Field-PHL Philadelphia
12h 42m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$454Delta
Wed, Oct 21 - Fri, Oct 23
12:15 pm - 10:10 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 55m2 stops Atlanta Hartsfield-Jackson Salt Lake City
6:56 pm - 6:05 amIDA Idaho Falls Fanning Field-PHL Philadelphia
9h 09m1 stop Salt Lake City
$454Delta
Tue, Oct 20 - Fri, Oct 23
10:05 am - 5:16 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
9h 11m1 stop Denver Intl
2:28 pm - 11:20 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
6h 52m1 stop Denver Intl
$489United Airlines
Thu, Feb 4 - Mon, Feb 8
6:14 pm - 1:19 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
45h 05m2 stops Seattle/Tacoma Intl Portland
3:58 pm - 5:11 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
23h 13m2 stops Portland Seattle/Tacoma Intl
$702Alaska Airlines
Sun, Nov 8 - Sun, Nov 15
7:02 am - 3:18 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
10h 16m1 stop Seattle/Tacoma Intl
6:04 am - 4:45 pmIDA Idaho Falls Fanning Field-PHL Philadelphia
8h 41m1 stop Seattle/Tacoma Intl
$711Alaska Airlines
Sun, Oct 25
7:20 am - 12:22 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
7h 02m1 stop Salt Lake City
$225Delta
Tue, Oct 20
12:15 pm - 10:10 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 55m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$230Delta
Tue, Oct 20
3:52 pm - 8:54 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
7h 02m1 stop Denver Intl
$234United Airlines
Wed, Dec 16
6:40 pm - 3:32 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
46h 52m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$237Multiple Airlines
Thu, Dec 17
2:45 pm - 3:32 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
26h 47m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$245Multiple Airlines
Tue, Dec 15
9:27 am - 5:05 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
9h 38m1 stop Phoenix Sky Harbor Intl
$258American Airlines
Tue, Dec 15
10:53 am - 8:59 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
12h 06m2 stops Chicago O'Hare Intl Denver Intl
$263United Airlines
Thu, Dec 17
5:34 pm - 11:56 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
8h 22m1 stop Phoenix Sky Harbor Intl
$281American Airlines
Fri, Dec 18
6:25 am - 3:32 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
11h 07m1 stop Las Vegas Harry Reid Intl
$297Multiple Airlines
Fri, Dec 18
1:01 pm - 9:19 pmPHL Philadelphia-IDA Idaho Falls Fanning Field
10h 18m2 stops Chicago O'Hare Intl Denver Intl
$384United Airlines
Price, demand and travel trends for Philadelphia to Idaho Falls flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from Philadelphia to Idaho Falls?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Idaho Falls departing in january.What's the cheapest day of the week to fly from Philadelphia to Idaho Falls?
Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Philadelphia to Idaho Falls. It’s 3% cheaper than the average day, while Sunday is the most expensive, with prices 52% higher.
What’s the cheapest month to fly from Philadelphia to Idaho Falls?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Philadelphia to Idaho Falls, removes the top 0.1% to account for outliers and then takes the median of all values for each month.•December is the cheapest month to fly from Philadelphia to Idaho Falls at $468 round-trip.
•July ($675) and April ($655) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 44% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
Round-trip flights from Philadelphia to Idaho Falls typically range from $474 to $679. The lowest price found in the past 5 days was $379, on American Airlines.
What’s the most popular layover airport when flying from Philadelphia to Idaho Falls?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Denver Intl (DEN) is the most popular layover for the Philadelphia to Idaho Falls route. 45% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DEN.
What is the cheapest layover airport when flying from Philadelphia to Idaho Falls?
Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $471. Based on KAYAK data over the past 3 months.
Key details for Philadelphia to Idaho Falls flights
Low season | January |
|---|---|
High season | August |
Cheapest flight | $198 |
When to book flights from Philadelphia to Idaho Falls
Are your dates flexible? Find out the best times to travel from Philadelphia to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Philadelphia to Idaho Falls flight questions, answered
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Your guide to booking Philadelphia to Idaho Falls flights
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Cabin class types available on flights from Philadelphia to Idaho Falls
Cabin classes available on flights from Philadelphia to Idaho Falls. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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Flights from domestic origins to Idaho Falls
More flights to Idaho Falls. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.